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i need help with all these questions please
Question 23 4 pts Which of these liquids...
i need help with 17-26 will be installed later What mass of aluminum reacts with 60.5...
i need help with 17-26
will be installed later What mass of aluminum reacts with 60.5 g of chlorine (Cl), according to the balanced chemical equation below: 2 A1 + 3Cl2 --> 2AICI 15.3g 30.78 23.03 46.03 5.10 7.678 4 pts Question 18 What volume of a 3.00 M solution of KCl is required to make 500.0 ml. of a 0.300 M solution of KCI? 3.00 mL 500 ml 300 mL 5.00 mL 16.7 ml 10.0 ml 500.0 ml Question...
i need help with the last four questions along with step by step he appropriate gas law to solve questions 1-6. Show work. (2 pts) A certain amount of a gas at a constant temperature has a pressur...
i need help with the last four questions along with
step by step
he appropriate gas law to solve questions 1-6. Show work. (2 pts) A certain amount of a gas at a constant temperature has a pressure of 5.50 atm and a volume of 10.0 mL. If the volume is decreased to 125.0 mL, what is the resulting pressure of the gas? : 924 a4m 125 O P v (2 pts) If 0.722 L of a certain gas at...
Need help solving these last 7 questions. Please use the data above to calculate the answers. Molar Volume of a Gas Room...
Need help solving these last 7
questions. Please use the data above to calculate the answers.
Molar Volume of a Gas Room temperature (T2): Barometric pressure: C be & torr Tria .0544 Data Trial 2 Trial 1 Mass of Mg strip Temperature of water in the 600-mL beaker 8.1 torr 142 Vapor pressure of water at the temperature in the 600-mL beaker torr torr S6.4 A.1 Volume of gas collected at room temperature mL mL ,67as 0541 S04L Volume of...
i need help with questions 4, 5, 13, 15, 16 6 pts Question 4 Perform each...
i
need help with questions
4, 5, 13, 15, 16
6 pts Question 4 Perform each of the following calculations of the measured numbers and express your answer rounded to the appropriate number of significant figures. Only type the number for the final answer in the box (no units). a) 67.50 mL - 35.50 mL mL b) 5.35 cm x 10.00 cm x 0.50 cm = cm Question 5 4 pts A scientist defines a new unit, the mini-meter, which...
37. Which of the following pairs does NOT exhibit a direct relationship? A pressure and volume D. all are direct B. pressure and temperatureC. volume and temperature 38. Determine what the pressu...
37. Which of the following pairs does NOT exhibit a direct relationship? A pressure and volume D. all are direct B. pressure and temperatureC. volume and temperature 38. Determine what the pressur is inside of a 15.0L container holding 3.5 moles of H gas at 298.15 . E. 5.7 atm D. 1.4 atm A. 4.8 atm C. 86 atm 8.110 atm 39. If volume and the amount of gas within a container remains constant, what will happen to the pressure...
3. Short Answer Questions: (4 pts each a. A balloon that is 70.21 L at 12.1...
3. Short Answer Questions: (4 pts each a. A balloon that is 70.21 L at 12.1 degrees Celsius and 715 torr is released and just barely clears the top of Mt. Crumpet, near Whoville. If the final volume of the balloon is 88.53 L at a temperature of 2.28 degrees Celsius, what is the pressure experienced by the balloon as it clears Mt. Crumpet? (R = 0.0821 Latm/molK) b. Use kinetic molecular theory of gases to explain Boyle's Law relating...
I need help figuring out #5.35, 5.37, 5.45, 5.57, and 5.71 Documents Pearson Updad Assgrmerti Eimiting....
I
need help figuring out #5.35, 5.37, 5.45, 5.57, and 5.71
Documents Pearson Updad Assgrmerti Eimiting. Nos |UNC 217 A gas-filled balloon having a volume of 2.50 L at 1.2 atm and 25°C is allowed to rise to the strato sphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 x 10 atm, respectively. Calculate the final volume of the balloon 5.35 The temperature of 2.5 L of a gas initially at...
please do all. thanks. 1. a. A weather balloon is filled to the volume of 105...
please do all. thanks. 1. a. A weather balloon is filled to the volume of 105 L on a day when the temperature is 25°C. If no gases escaped, what would be the volume of the weather balloon after it rises to an altitude where the temperature is -9°C? Volume = L? b A 203-mL sample of a gas exerts a pressure of 2.55 atm at 19.5°C. What volume would it occupy at 1.85 atm and 190.°C? Volume = ?mL...
Please do the following questions! thank you! Experiment 12: Generating Hydrogen Gas Part B: Molar mass...
Please do the following questions! thank you!
Experiment 12: Generating Hydrogen Gas Part B: Molar mass of unknown metal Unknown #: Mass of unknown metal (X): Volume of H2 gas L K Temperature of H2 gas 0.12588 54.4 mL 23.0 C 765.8 mmHg 21.1 mmHg 744.7 mmHg Atmospheric pressure (see barometer) Vapor pressure of water atm Partial pressure of H, gas Using PV=nRT and your data, calculate the moles of hydrogen gas produced in the experiment: PV = 0.97987x54.4xio RT...
if both questions could be answered please Canvas D Question 4 2 pts A 2.00 L...
if both questions could be answered please
Canvas D Question 4 2 pts A 2.00 L balloon containing He gas at 20.°C is taken outside where it expands to 2.30 L.If the pressure remains at 1.00 atm throughout the process, what must be the outdoor temperature? oC 2 pts D Question 5 If a 1.00 L container at 3.50 atm is compressed to 0.500 L, but at the same time is cooled from 310. K to 150. K what is...
i need help with 17-26
will be installed later What mass of aluminum reacts with 60.5 g of chlorine (Cl), according to the balanced chemical equation below: 2 A1 + 3Cl2 --> 2AICI 15.3g 30.78 23.03 46.03 5.10 7.678 4 pts Question 18 What volume of a 3.00 M solution of KCl is required to make 500.0 ml. of a 0.300 M solution of KCI? 3.00 mL 500 ml 300 mL 5.00 mL 16.7 ml 10.0 ml 500.0 ml Question...
i need help with the last four questions along with
step by step
he appropriate gas law to solve questions 1-6. Show work. (2 pts) A certain amount of a gas at a constant temperature has a pressure of 5.50 atm and a volume of 10.0 mL. If the volume is decreased to 125.0 mL, what is the resulting pressure of the gas? : 924 a4m 125 O P v (2 pts) If 0.722 L of a certain gas at...
Need help solving these last 7
questions. Please use the data above to calculate the answers.
Molar Volume of a Gas Room temperature (T2): Barometric pressure: C be & torr Tria .0544 Data Trial 2 Trial 1 Mass of Mg strip Temperature of water in the 600-mL beaker 8.1 torr 142 Vapor pressure of water at the temperature in the 600-mL beaker torr torr S6.4 A.1 Volume of gas collected at room temperature mL mL ,67as 0541 S04L Volume of...
i
need help with questions
4, 5, 13, 15, 16
6 pts Question 4 Perform each of the following calculations of the measured numbers and express your answer rounded to the appropriate number of significant figures. Only type the number for the final answer in the box (no units). a) 67.50 mL - 35.50 mL mL b) 5.35 cm x 10.00 cm x 0.50 cm = cm Question 5 4 pts A scientist defines a new unit, the mini-meter, which...
37. Which of the following pairs does NOT exhibit a direct relationship? A pressure and volume D. all are direct B. pressure and temperatureC. volume and temperature 38. Determine what the pressur is inside of a 15.0L container holding 3.5 moles of H gas at 298.15 . E. 5.7 atm D. 1.4 atm A. 4.8 atm C. 86 atm 8.110 atm 39. If volume and the amount of gas within a container remains constant, what will happen to the pressure...
3. Short Answer Questions: (4 pts each a. A balloon that is 70.21 L at 12.1 degrees Celsius and 715 torr is released and just barely clears the top of Mt. Crumpet, near Whoville. If the final volume of the balloon is 88.53 L at a temperature of 2.28 degrees Celsius, what is the pressure experienced by the balloon as it clears Mt. Crumpet? (R = 0.0821 Latm/molK) b. Use kinetic molecular theory of gases to explain Boyle's Law relating...
I
need help figuring out #5.35, 5.37, 5.45, 5.57, and 5.71
Documents Pearson Updad Assgrmerti Eimiting. Nos |UNC 217 A gas-filled balloon having a volume of 2.50 L at 1.2 atm and 25°C is allowed to rise to the strato sphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 x 10 atm, respectively. Calculate the final volume of the balloon 5.35 The temperature of 2.5 L of a gas initially at...
Please do the following questions! thank you!
Experiment 12: Generating Hydrogen Gas Part B: Molar mass of unknown metal Unknown #: Mass of unknown metal (X): Volume of H2 gas L K Temperature of H2 gas 0.12588 54.4 mL 23.0 C 765.8 mmHg 21.1 mmHg 744.7 mmHg Atmospheric pressure (see barometer) Vapor pressure of water atm Partial pressure of H, gas Using PV=nRT and your data, calculate the moles of hydrogen gas produced in the experiment: PV = 0.97987x54.4xio RT...
if both questions could be answered please
Canvas D Question 4 2 pts A 2.00 L balloon containing He gas at 20.°C is taken outside where it expands to 2.30 L.If the pressure remains at 1.00 atm throughout the process, what must be the outdoor temperature? oC 2 pts D Question 5 If a 1.00 L container at 3.50 atm is compressed to 0.500 L, but at the same time is cooled from 310. K to 150. K what is...
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